Type-writing machine.



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PATENTED 11mm, 1907. KENNEDY. TYPE WRITING MACHINE.' APPLICATIONFILEDAPR. 2. 190.4.

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UNITED STATES PATENT OFFICE.

JAMES w. KENNEDY, or oHioAoO, ILLINOIS, A SsIeNon, BY MESNE ASSIGNMENTS,To THE KENNEDY TYPEWRTTENCOMPANY OF MANHATTAN, or NEW. YORK, N. Y., AooePoRA- TION OF NEW YORK.

TYPE-WRITING MACHINE.

Specification of Letters Patent.-

Application filed' April 2. 1'9`U4.` Serial No. 201,284.-

Patented Dec. 24,1907.

' To all whom it may concern:

Be it known that 1, Anne W. KENNEDY, a subject of the King 'of Britain,re-

siding at Chicago, Cook countyfllllinois, have 4ments in Type-W chines,and relates articularly to means for -As the invention relates to meansfor supe supporting and shi 'ting the platen,

.porting-and shifting the platen, the object .below and 'in therearlo ofthe invention is to provide means for this purpose, which will besimple, strong and durable, and which will operate to support the platenrigidly in all positions without play or lost motion.

The invention consists of the various fea# tures, combinations offeatures and details" of construction liereinafter described andclaimed;

In the a''ciompanying drawings illustratingmy invent1on, Figure 1 is apartial top plan view of'a typewriting machine embodying my lnvention.Flg; 2 1s a front seotlonal elevation on the line 2 2 of Fig. 3. Fig. 3,is a sectional side view on the line 3 3 of Fig.

1. Fig. 4 is an enlarged sectional elevation on the line 4 4 of Fig. 1.Fig. 5 is ya sec-` tional elevation on the line 5 5 of Figpll.'

Fig. 6 is a side view of the parts'shown in nates the frame of thetypewriter, and 2 the platen thereof.

The .platen 2 is revolubly mounted -in a' suitable frame, designated asa whole b'y' A.,v consisting of end lates3 rigidly connected bytransverse' ro s 4,'- referably J disposed the platen 2. The

' .frame A is pivotally connected by links 5 to a carriage mounted, soas to b efreely movable transversely of the machine, on guide rods 7`and8 secured, respectively, in up right standards 9 *and 10, on the machineframe.I A As shown,the carriage 6fs provided 1 with two bearings locateda -considerable Adistance apart and which engage the rod 7v'symmetricallyon' both Sides of the center of the. platen 2, thedistance'betweenfthe 'standards' Q beingsu'ch asf-to provide'forvdesiredf' #platen 2, one' above the other.

which comprises a vrectangular enlargement 13. 1 Formed in the lowerside of the'zrod 8 are notches 14, which are adapted to be engaged byspring catches carried, by -the sleeves 12. As shown, said catchesconsist of wires, comprising parallel end sections 1.5,

which are tted to suitable holesin the rec'- tangular enlargements ofthe sleeves 12, and intermediate*transverse sections 16, 4whichconnectthe end sections 15 at their lower ends.` `The intermediatesections 16 of said wires are fitted tosuitable slots or grooves 17 inthe lower sides of, therectan ular enlargements 1'3 of the sleeves 12 anare adapted to engage then'otches 14 on the rod 8.. The end sections .15'of said catches project above the rectangular enlargement 13 of saidsleeves 12, and'are'rigidly secured to plates 18. Inf 'sei-ted beneaththe plates 18, being refer- Vably coniined in suitable recesses 1n `the8, one on each side of the arm 11, each of sleeves 12, are springs 19,which operate to 'i lsaid catches normally'in engagement with thenotches 1'4 in the rod 8 and providefor 'disengag'in said catches .fromsaid' notchesy whenlit isy esiredto adjust said sto s.

rical yon both vsides -of the center-:lof the the linksl are connectedatene' end tothe In the preferableconstruction s 'own, the.'y links A5comprise a plurality O15- parallel of e ual lengthsairanged inpairssymmetrear npp n/a'nd lower rods 4f of the platen" frame A and'atthen-.other ends to'rods 20 .secured in suitable arms on' theqoar-ria e6.-.

.With the described-arrangementofthe inks.;

5l it is obvious that' ivotal movement ofthe ower 'the (platen and otherparts .carried 1l. ',inparallel-position, While-'at th Sametime?affordingA aevry -str0ng rigid connection of said, platen" frameto. the

carriages; .The petali 22`is supporbd in d- 100. laten. frame ,A *W11operate-.to lraise and out imparting movement, to' the other shift lever32, as the `in 35- in thelever 290cm-` nected thereto w1 -merely movedownwardly sired vertical position and'is adapted to be raised Iandlowered to provide for shifting from one set of characters on thetype-bars to another, inl the following manner:4 5 Secured to the lowerrods 4 ofthe-platen frame-Aris a bracket 21, revolnbly mounted inthelower end of which is a wheel or roller 22 Whichrests upon a bar 23,which extends transversely across the machine beneath the 1o platenframe A parallel with the rods .-7 and 8, the ends of which are fittedto suitable upright guides lforme'din brackets 24, which depend `*fromthe under .side of the to'p of the machine frame 1. larly Fig. 11, .theguides for the bar 23 con-1 sist of slots 25 formed in saidbra'ckets'24v and theV movement of said bar in said slots is adapted tobe limited and adjusted bystop screws 26 threaded through the to of themachine frame and the ends of the hrac'kets' 2 4 into the path oftravelof said bar. Se- V4curedjin suitable holes-iirthe 'endslof thescrews 26 are Vplugs`27-j of leather or other soft material,-'whichprojectfslightly beyond the-ends of v said sere'ws'and form' cushions,which operate `t lessen .the jar and. noise'- due to contact of saidbar-withsaid screwfsin fsliifting. .the platen..l Thej screws 261 areratchet Vwheel.36,' the teeth of which are `adaptedtobe'securedlinanygdesired adjustl raised and lowered;l to' shift'thelaten 2, byf

revolubly mounted in the frame of. 4the ma` chine,l preferably adjacentto the? bottom thereof., The'rear ends of `the'lfzdvers 29areconnected-with the'endsvof the bar .23 by links 3 1 and their rontendslare connected to shift le1'7ers"3 2fby nieans-oflinks 33.`

"slots` eing slightly longer', thanthe travel -of the thelevers 29 andthe pins 35 normally resting contact with. theY upper itv is' obviousthatdepressin either; of 'the levers .32 Will impart ivota movement toboth-levers 29, lthus raising both vendsofjthe "ibar 23I the samedistance and maintaining .the 'sameparallel with the rods'7 and 8 withinits slot 3 4.

as simi@ in being 's Ained, as in a mwhms @ma As shown, see particuAtheybeing-the subject"matterv of the divi- -.sional 'applicationnumbered2 10,464, filed ment by ineensAv offb'indinfg-"nutsv 28 infadi-al' miliar mannei' .f4 Thebar 23 isi-'adapted tdbe parted tothe,larm 38to advance and retract Fonconvenience, -a shiftlever32 ispros-4vided at each side of the'niachine 'and to -pro- 'vide for shiftingthe' platen-,by means of'. either 'of said levers independently 'oftheends :ofA said 'slots'. l With thisconstruction,

.5 1 To insure a uniform impression of thetyp`e,7

bodying my invention, the axes of the points of pivotal attachment ofthe links 5 to the ycarriage 6 should all be in the saine plane,

parallel to a plane normal to the surface of the platen at the pointwhere the type strike 70 the sameand the position of the stops whichdeline the normal and 'shifted positions of the platen-should besuchthat the angular-movement of the platen will be the Asame on both sidesof a line normal to the plane in which 7, the points'of pivotalattachment of the links '5 to the carriage 6 are loeated, in the presentinstance, on both sides of a horizontal line.

Any desired ,or approved form of carriage feedand letter spacingmechanism may be used, as, however, they form no part of the presentinvention and can be readilyT supplied any mechanic familiar withvtypewriter construction,'means for this purpose are'not herein shown ordescribed in detail.

l will nex't describe the construction of the line spacing mechanism,particular reference 'being had vto Figs. 4, 5, 6, 7 and S, but I do notclaim these devices in this application Mays'i, 1904.

Secured to the shaft-of the platen 2' is a adapted to be engaged by aspring pawl 37 pivoted on an arm '38 ivoted'to the shaft oi the platen2, at the'si e 'of vthe ratchet wheel 36. Pivotal movement is adapted tobe im the 'paw- 1 37, in the following mannnerfri 100 Revolubly mountedin suitable bearings in lu s' 39v on an'end plate 3 'of 'the latenframe.A- is a rod orllever 40, `se'ouredm which is a lateralarmL `the'ree-endof which is con# nected to. the'. 'arm 3 8fby'meanso' a link 42.."In'thereferable' construction shown, see

Fig( 7, t e end of the arm41 on the rod or lever 40 is iitt'ed to' asuitable bearing in a i' block 43 pivotall mounted between'lugs 44formed "at the en of the link 42, thus provid' for angular movement ofthe arm -41 w e'n the arm or .lever '40 is rotated to operatetheflinegspacing 'mechanism A suitable 'hole'or opening 45 is formedinthe plate through which .tlie arm 41 extends, said opening 4 5 beingmade of such length as to Y provide for'desired movement of said arm 41.

Coperating with the actuating pawl 37, isna retaining pawl adapted vtoengage the teeth ofthey ratchet Wheel 36 to prevent thel platen 2 frombeing moved rearwardly when the 'actuating pawlP 37 is retracted. As

shown, said retainingl pawl consists of a s rin arm 46, which projectslaterally from t "e p ate-3 over saidratchet wheel, revolubly mounted inthe end of which is a wheel or roller47, which engages the teeth of saidl ratche wheel. ny otherpdesired or ap- Areve form of retaining pawlmay, however, 5

" e used.`

'different distances from the axis of the stub shaft 49 and so disposedthat by turning said plate 43 into'proper positions any one of s/aidsurfaces may be brought into the path/of travel of the arm 41, therelation being such that the step or notch 56 will permit a maximummovement vof the arm 41, say the equivalent of a feed of three teeth ofthe ratchet wheel 36, the ste or notch 52 aininimum movement of sailever arm, say the equivalent of one ratchet tooth, 'and the step 51 amovement of said lever arm intermediate the steps and 52, say tworatchet teeth. The plate 48 is adapted to be turned into differentpositions to secure the different feeds by means of an arm 53 secured tothe stub shaft 49 outside of the plate 3 and to be secured in desiredposition -by means of a pin 54 thereon adapted to engage holes 55 insaid plate; To provide for vengagement and disengagement of the pin 54with the holes 55, the arm 53 is preferably a spring arm.

In addition to operating the line spacing mechanism the rod orlever40..is lalso used to retract the platen carriage. In thepreferableconstruction shown, tireforward end of said rod or lever 40 is bentdownwardly below the bearingsv of said rodI inthe lugs 39 into closeproximity to thekeyboard of the machine in Iconvenient position forvmanipulation by the operator. With this construction, it is obvious thata pull on the rod 40 below .the line of its bearing in a direction toretract said carriage will at the same time operate theline spacingmechanism.

The rod or lever 40 is maintained normally at one 'limit of its pivotalmovement by means of a suitable spring applied thereto. As shown, seeFig. 8, this .is effected by means of a s ring 56 one end of which issecured to a co lar 57 and the other end to the rear lug 39 in which'the rod 40 is supported'.

To provide for adjusting thetension on said a set` screw.

4lnclosed 1n a recess formed.y 1n the collar-57.

spring 56, the collar 57 is loose on said rod or lever and is adapted tobe secured thereto in any desired angular adjustment by means of Asshown, also said spring is or finger grips 58 on the platen shaft, in afamiliar manner. In order that the actuating pawl 37 may not interferewith the rear-' Ward movement of the platen by `means of the knobs orfinger grips 58, means are provided to disengage said pawl from theteethof the ratchet wheel when said pawl is in retracted position. Asshown, the means for this purpose consist of a pin 59 secured in the Aplate 3 of the platen frame A, which projects laterally into the path oftravel of a cani surface formed 'on a rearward extension 60 of such thatwhen said pawl is fully retracted the cam lsurface on said rearwardextension 60 will 'engage the pin'59 in such manner as to move said pawl37 pivotally to disengage the same from the ratchet teeth in the desiredmanner.

' The shift levers 32 and thetype-bar operating levers, lnot shown, arepivotally supported in operative positionin the following manner Formedon the machine frame in suitable/position is a transverse bar 61, thelo'wer edge of which forms a blunt knife edge adapted to engage notches62 vformed in the' 'upper ed es ofsaid shift levers 32 andthe 'type-barevers adjacent to their rear ends.

Said shift levers and type-bar levers are maintainediin proper lateralpositions -by combs 63 and64 secured in fixed ositions on the machineframe, the teeth o which embrace the sides of said levers and guide thesame in their pivotal movement. and typebar levers are maintainednormally in raised positions by springs 65, `which connect said leverswith a rigid support on the machineframe, as shown, a rod 66. In ordertosecure a uniform action of said shift and type-bar levers, means areprovided for adjusting the tension of said springs 65. To effect thisend, said springs, instead of being secured directly to the rod66are-attached Said shift the actuating pawl 37, the relation being toseparate blocks 67 secured to said rod so 'as to be adjustable towardsand. from the shift and type-bar levers., I`n the preferableconstruction shown, see Figs. 12 and 13, a.

oove or slot 68 is formed in the under side of the rod 66 to which theedges of the blocks 67 are fitted, the lengths of said blocks being'preferably equal lto thefdistance from center With this conl struction,it is obvious that said blocks will to center of adjacent levers.

fill the slot 68 from end to end and that the adjacent surfaces ofad'acent blocks will opthe sides of the slot crate in connection wit 68to prevent said blocks'fromI turning in said s lot.V The blocks 67 aresecured to the rod 66 by "means of headed screws 69, thescrews 69 oneway or the other, the blocks 67 may be adjusted towards and from theopering orincreasing the tension on ating levers, thereby correspondinlylessen- 65, in the desired manner.

I claim as my invention '1. In a typewriting machine, the combination ofa platen trame comprising end plates and transverse rods rigidlyconnecting the same at their rear upper and loWer edges,

nation of a platen frame, comprisingl end 1 said guide rod, upper an'.otally connected to platen Jrame rods at one plates and transverserods rigidly connecting said end lates, a carriage, guide'rods on whichsaid) carriage is movable transversely of the machine, a central armon'said carriage in which the bearing for one'ot1 said gui-de rods isformed, ad'ustable stops on lower links pivend and to saidfcarriage atthe other, a bar on Which said platen frame is supported and means toraise and lower saidbar, substantially as described.

` 3. In a t ewriting 'machine, the combination of a aten frame, acarriage to which said platen i-lame is pivoted, guides on Which saidcarriage is movable transversely of the machine, a ba'r on which saidplaten frame is supported, guide slots to which the ends of sai bar aretted, stops Which limit the movement of said bar in said uide slots andmeans to raise and lower sai p bar, substantially as described.

4. -In a typewriting` machine, the kcombition of a platen frame, acarriage to Which e springs' is supported, guide slots to Whicv i theends of V said bar are fitted, the ends of said slots be` ing closed andforming stops which limit the movement of said bar, a transverse rod,le-

vers secured thereto at both sides of the ma` chine, links Whichconnectsaid levers with said bar, a shift lever, alever arm on said.

transverse rod and alink which connects said lever' armwithsaid key,substantially as described.

5. ,In a typewriting machine, the combination of a laten frame, acarriage to which saidplaten rame is pivoted, guides on which saidcarriage is movable transversely of the machine, 'a bar on which saidplaten frame is su orted,lguide slots to which the ends of sai bar arefitted, the ends of said slots being closed and formingstops Which limitthev movement of said bar, a transverse rod, le

vers secured thereto at both sides of the machine, links which connectsaid levers with said bar, shift levers at both sides of the machine,lever arms on said transverse rod j and links which connect said leverarms With said shift keys, the connection between said lever armsandlinks comprising slots in o ne thereof and pins secured 1n the other'which Aengage said slots, substantially as described.

In testimony, that I claim the foregoing as my invention, I affix mysignature 1n pres-4 ence of tWo subscribing Witnesses, this 29th day ofMarcl1,A.D. 1904.

JAMES W. KENNEDY.

Witnesses: y w

JULIAN M BRISTOL, CHAS. B.' GILLsoN.

